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#6fcdbb

a balanced, vivid cyan · cool · closest name: Medium Aqua Marine

RGB
111, 205, 187
HSL
169°, 49%, 62%
CMYK
46, 0, 9, 20
Luminance
0.5063

At a glance

Every number on this page in one read: what #6fcdbb is made of, how bright it looks, and which way it leans.

Hex
#6fcdbb
Hue
169°
cyan
Saturation
49%
vivid
Lightness
62%
balanced
Brightness
80%
HSV value
Perceived
71%
weighted brightness
Luminance
0.5063
WCAG relative
Temperature
Cool
83/100 cool
Color family
Cyan
Tone
Vivid
Best ink
Black
11.13:1
Closest name
Medium Aqua Marine
ΔE2000 5.3
Where it sits
Hue169° of 360°
Saturation49%
Lightness62%
Temperature
Warm ← → Cool83% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#6fcdbb
RGBrgb(111, 205, 187)
HSLhsl(169, 49%, 62%)
CMYKcmyk(46%, 0%, 9%, 20%)
LABlab(76.5 -32.3 0.3)
LCHlch(76.5 32.3 179.4)
OKLCHoklch(0.785 0.094 179.8)
Decimal7327163
Display P3color(display-p3 0.435 0.804 0.733)

Copy-ready code

/* CSS */
color: #6fcdbb;
background-color: #6fcdbb;
/* Tailwind (arbitrary) */
class="text-[#6fcdbb] bg-[#6fcdbb]"
/* SCSS */
$brand: #6fcdbb;
/* SwiftUI */
Color(red: 0.435, green: 0.804, blue: 0.733)
/* Android */
Color.parseColor("#6fcdbb")
/* Flutter */
Color(0xFF6FCDBB)
/* Python / OpenCV (BGR) */
(187, 205, 111)

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#000000 on #6fcdbb · 11.13:1
Use #000000AAA at every size.
Aa
White text · 1.89:1
AA fail · AA large fail · AAA fail
Aa
Black text · 11.13:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #6fcdbb as text scores 1.89:1 on white and 11.13:1 on black.

Accessibility — WCAG contrast

Aa
#6fcdbb on white: 1.89:1
AA ✗ fail · AA-large · AAA
Aa
#6fcdbb on black: 11.13:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #C6C3BA
deuteranopia · #B6B8BC
tritanopia · #47D0C7

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #6fcdbb is pinned to step 400; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F4FAF9
#EAF5F3
#D0ECE7
#ACE2D8
#6fcdbb
#58C5B0
#3FB69F
#359785
#2A796A
#22594E
#153731
Base = 400Lightest = 50 · #F4FAF9Darkest = 950 · #153731
:root {
  --brand-50: #F4FAF9;
  --brand-100: #EAF5F3;
  --brand-200: #D0ECE7;
  --brand-300: #ACE2D8;
  --brand-400: #6fcdbb;
  --brand-500: #58C5B0;
  --brand-600: #3FB69F;
  --brand-700: #359785;
  --brand-800: #2A796A;
  --brand-900: #22594E;
  --brand-950: #153731;
  --brand: #6fcdbb;
  --brand-ink: #000000;
}

Colors that work with #6fcdbb

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#000000
Black wins here
Surface#F4FAF9
Tinted page background
Border#C2EAE2
Hairlines and dividers
Muted text#4B9B8C
Captions on the surface
Accent#D16B98
Second voice, not a rival
Dark variant#215F53
Hover, pressed, headers
Light variant#ECF8F6
Selected rows, tints
Dark surface#142421
Dark-mode background
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

How to use #6fcdbb

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Text and icons on dark surfaces
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
Use with care
  • Text of any size on white — fails WCAG AA
  • Full-page backgrounds — tiring over long sessions
  • Thin strokes and 1px borders — they disappear on light UI
  • Pairing with a same-lightness hue — edges vibrate

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#CD6F81
Analogous left#6FCD8C
Analogous right#6FB0CD
Split-complement 1#CD6FB0
Split-complement 2#CD8C6F
Triadic 1#BB6FCD
Triadic 2#CDBB6F
Tetradic#8C6FCD

RGB percentages

Red43.5%
Green80.4%
Blue73.3%

CMYK percentages

Cyan45.9%
Magenta0.0%
Yellow8.8%
Key (black)19.6%

Color previews

#6fcdbb text on a black background

contrast 11.13:1

Card sample

#6fcdbb text on a white background

contrast 1.89:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #6fcdbb;
Background color
Panel with #6fcdbb background
background-color: #6fcdbb;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #6fcdbb;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(111, 205, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(111, 205, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6fcdbb;
background: linear-gradient(135deg, #6fcdbb, #6FA0CD);

Monochromatic scale

Palettes built from #6fcdbb

Shades — darker

Tints — lighter

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#6fcdbb in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
TechnologyTravelHealthcareMedia
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Converts to four-color process without much drama. Proof it anyway.

#6fcdbb, answered

What color is #6fcdbb?

#6fcdbb is a balanced vivid cyan, closest to Medium Aqua Marine (ΔE2000 5.3). It sits at 169° on the hue wheel with 49% saturation and 62% lightness, which reads as cool.

What is the RGB value of #6fcdbb?

rgb(111, 205, 187) — 111 red, 205 green and 187 blue out of 255, or 43.5% / 80.4% / 73.3% by channel.

Is #6fcdbb a light or a dark color?

It is a light color. Relative luminance is 0.5063 and perceived brightness is 71%, so black text on it reaches 11.13:1.

Should I use black or white text on #6fcdbb?

Black. It scores 11.13:1 against #6fcdbb, versus 1.89:1 for white — AAA at any size.

What is the complementary color of #6fcdbb?

#CD6F81 sits directly opposite on the wheel. Softer options are the split-complements #CD6FB0 and #CD8C6F, which give the same contrast with far less vibration.

What colors go well with #6fcdbb?

For interface work: #F4FAF9 as the surface, #C2EAE2 for borders, #4B9B8C for secondary text, #D16B98 as an accent and #215F53 for hover and pressed states. For a palette, the analogous pair #6FCD8C and #6FB0CD stays calm, while #CD6F81 is the loudest partner.

What is #6fcdbb in CMYK for printing?

cmyk(46%, 0%, 9%, 20%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #6fcdbb warm or cool?

Cool — it scores 83 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #6FCD99; nudged cooler, #6DBECF.

Work with #6fcdbb in the Color Lab